The Grandstream GXW4501 is an advanced gateway that provides 1, 2 or 4 E1/T1/J1 spans and supports 30, 60 or 120 concurrent calls to cater to the VoIP needs of large and medium-sized enterprises.
The GXW4500 series are E1/T1 Digital VoIP Gateways that allow digital PSTN and ISDN trunks to be integrated with VoIP networks. By connecting the GXW4500 series with a VoIP network and a traditional PBX or E1/ T1 provider, businesses can drastically increase the amount of PSTN/ISDN trunks integrated with their VoIP network.
Features:
1 RJ45 ports, supporting up to 30 simultaneous VoIP
Dual self-adaptive Gigabit ports (switched or routed)
(2) USB 3.0, (1) SD card interface
LAN, WAN, E1/T1/J1
128x32 dot-matrix graphic LCD with DOWN and OK buttons
Reset switch
Voice over Packet capabilities: LEC with NLP Packetized Voice Protocol Unit, 128ms-tail-length carrier grade Line Echo Cancellation, Dynamic Jitter Buffer, Modem detection & auto-switch to G.711
Fax over IP: T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through, Fax data pump V.17, V.21, V.27ter, V.29 for T.38 fax relay
